Questions that relate to the Advanced Configuration and Power Interface (ACPI) specification which provides an open standard for device configuration and power management by the operating system.

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2k views

Error: “Fixing recursive fault, but reboot is needed” need to put acpi off

I having trouble with a Acer Aspire 2010. Whenever I boot, just one moment after grub I get the error "Fixing recursive fault, but reboot is needed". So I searched for it, and I found this workaround: ...
2
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0answers
84 views

Strange behavior when closing lid Gateway NE56R

I have a Gateway NE56R laptop running the latest Kubuntu 14.10 x64 beta, although I had this same problem on Trusty. This problem may also affect some Acer Aspire laptops if that helps you fix my ...
2
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0answers
234 views

How can I disable CPU C2 and C3 states options?

I have a DELL XPS 13 9333. As you can read here, it produces an annoying coil whine under some circumstances: http://en.community.dell.com/support-forums/laptop/f/3518/t/19538215.aspx Someone ...
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0answers
142 views

Unexpected Command Completion Code

I am getting the error xhci_hcd 0000:07:00.0 ERROR: unexpected command completion code 0x11 on Ubuntu 13.10. The error occurs when I resume my system from being suspended. It also happens on my tty ...
2
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0answers
158 views

Module acpi not found

My OS is 12.04, I'm not able to suspend and wake up my PC at given time, or better if I run sudo rtcwake -m mem -s 120 My PC enter suspend mode and the power-on light turns up after 2 minutes, but ...
2
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0answers
259 views

ACPI on Asus NV56V Ubuntu 13.04

i'm rather new to ubuntu and just made a fresh install of ubuntu 13.04 alongside windows 8 on my new asus N56V, however i couldn't make it shut down, reboot or logout properly which i taught was odd, ...
2
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0answers
387 views

Is Mactel PPA good stuff for Macbook Pro 5,3 with Ubuntu 13.04?

The Mactel repository proposes some extra packages in order to run Ubuntu on Macbook computers. Mine is a Macbook Pro 5,3 (2009) running Ubuntu 13.04. The wiki page about the Mactel support seems to ...
2
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0answers
742 views

Dell Inspiron n5110 syslog ACPI warnings on Ubuntu 13.04

I just installed Ubuntu 13.04 and got a bunch of warnings in syslog: May 9 02:21:34 Dell kernel: [ 9.689651] ACPI Warning: 0x0000000000000428-0x000000000000042f SystemIO conflicts with Region ...
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0answers
137 views

How to manually power-on the webcam?

I have a Clevo laptop with a built in webcam, on the keyboard there's a helpful Fn+F10 hotkey that seems to power the device on and off. I'd like to have some control over the webcam without needing ...
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0answers
40 views

Disable keyboard input wake up

I want to disable making my laptop wakes up from suspend on keyboard input. I searched a lot and I disabled all devices in /proc/acpi/wakeup but it still wakes up when clicking any button. I checked ...
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0answers
303 views

14.04 BIOS, ACPI Errors in dmesg

I recently upgrade from 12.04 x64 to 14.04.1 x64 Dell Latitude Laptop I am seeing messages in dmesg that are causing me concern. The 2 excerpts below are the ones I am most concerned with: [ ...
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0answers
58 views

Gateway ML3109 only boots with “acpi=off”

I have a Gateway ML3109 that I have installed Lubuntu 14.04.1 LTS 64 bit on. I used the alternate installer, and the acpi=off option during the install. My system will only boot with the parameter ...
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vote
0answers
108 views

Extremely slow ACPI Event Propagation

A follow up to my previous question here: Run a Script when Power Button is Pushed So I am able to detect ACPI events and I intercept the power button press appropriately, however there is an ...
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0answers
101 views

acpi_listen doesn't detect events

I can run acpi_listen, then press all of the function keys (eg Fn+F5 to dim the screen backlight), but no events are reported in acpi_listen. How can I get acpi_listen to report the acpi events that ...
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0answers
80 views

acpi-support script missing in rc.d

I've just had a look inside the directories /etc/init.d and /etc/rc.d . I have a 13.10 machine, upgraded from 13.04. Then I saw that this link was missing. S99acpi-support -> ...
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0answers
63 views

Debugging KGPE-D16 unable to load Ubuntu without ACPI=off

I have an ASUS KGPE-D16 with the latest BIOS (3201) and dual Opteron 6376 chips. I cannot begin the Ubuntu 12.04 installation process without disabling ACPI completely (intermediate activation ...
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0answers
698 views

Ubuntu 13.10 can't poweroff Acer Aspire E1-522

I have this Aspire brand new, Ubuntu is working 100% apart from shutdown, or better, it just can't poweroff. If I perform a verbose shutdown, I can see that everything works, kill processes, ...
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0answers
611 views

ACPI Warnings in logs

On Ubuntu 12.04.3 with kernel 3.8 this message appears in the kernel.log and the syslog. Sep 23 12:24:06 laptop-allard kernel: [ 6.988503] ACPI Warning: 0x0000000000000428-0x000000000000042f ...
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0answers
245 views

acpi=off needed when BIOS graphics mode is switchable

I just flashed my laptops bios to newest version and now I have the option to define how i'd like to set my graphic mode. I have the option to check "integrated" and "switchable". The difference seems ...
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0answers
172 views

Why time taken to charge the laptop battery increases rapidly when it almost full?

When my laptop is charging at first it charges normally. But when its charged about 98% time remaining begins to increase why is this?
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0answers
764 views

Can not run Ubuntu 13.04 with ACPI

I am trying to install 64 bit Ubuntu 13.04 on a new system. I can only run Ubuntu with "acpi=off" option. This applies to both attempt to run Live USB and installed system. If I do not give "acpi=off" ...
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0answers
184 views

Ubuntu 12.10 overheating on S46CA

I bought a new notebook ASUS s46ca with Windows 8 preinstaled. And I noticed that the left side from the touchpad gets warm. In windows 8 it does not happen. I think that fan is running faster in ...
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0answers
300 views

How does hotkeys, lid close, suspend etc. work with Ubuntu on a newer Thinkpad Laptop?

I am trying to setup my Thinkpad T420 with xmonad as window manager and with as little gnome as possible. If I launch gnome-settings-manager all my hotkeys (disable touchpad, volume up/down, ...
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0answers
24 views

Is it possible to activate irq routing at runtime if it is disabled at boot?

I've had some kind of hardware failure on a laptop that requires me to boot with the kernel parameter acpi=noirq. This turns of my wifi. No good. Is there a way to turn it back on after boot? I tried ...
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0answers
8 views

If docked during sleep, how can I execute my docked script on wakeup?

Setup: Thinkpad x230 + docking station; Ubuntu 14.04 I use ACPI events to detect if when I dock into my dockingstation and undock. This triggers some xrandr command to setup my external monitors and ...
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0answers
11 views

acpid does not trigger Events after booting; manually starting acpid works

I have a Thinkpad X230 with docking station and Ubuntu 14.04 and would like to execute a xrandr script to configure my external 2 monitors when changing from standalone to dockung mode and the other ...
0
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0answers
31 views

Power off stuck acer 5560

Hi I have a laptop acer 5560G. apu a6-3400 which works very well with windows. I am making migration to kubuntu 14.04 which I really liked. Congratulations !!. The problem I have is that when you turn ...
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0answers
62 views

All network connections close when laptop lid is closed 14.04

First of all, I'm not the most proficient beaver when it comes to linux in general but I catch on very fast. I'm using the x86 version of Ubuntu 14.04 LTS. I have a Toshiba Satellite L40-14F laptop, ...
0
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0answers
89 views

peripherals switch off, caused by overheating: ACPI problem

I have an HP Pavilion dm1-4125sa Laptop, 64 Bit with 1.7 GHz AMD Dual-Core E-450 CPU, dual-booted with Windows 7 and Ubuntu 14.04. Often when I am in Ubuntu (only Ubuntu, Windows is fine), when it ...
0
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0answers
269 views

xfce4-power-manager not updating; ACPI finding an unknown battery but working fine?

I recently upgraded my Asus S56CA Ultrabook and unfortunately my battery indicator in xfce4 stopped working. However, the battery indicator in the system tray is not updating at all. If I start the ...
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0answers
13 views

How does Ubuntu process the press of the power button and other keys presented on the keyboard?

How does Ubuntu process the press of the power button and other keys presented on the keyboard? There are many hot keys on my keyboard: Power Button, Volumn Up, Volumn Down, Mute and so on. How does ...
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0answers
46 views

How to reverse the color of [HP] touchpad button/indicator LED

I have Ubuntu 14.04 running on a Compaq CQ60 laptop. The laptop has a button just above the touchpad which allows the touchpad to be enabled and disabled. There is a LED under this button, which (when ...
0
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0answers
74 views

ACPI Events not triggered after booting

I purchased a Convertible (Laptop and Tablet, Ubuntu 14.04 installed) and would like to execute a script when changing from laptop to tablet mode and the other way around. So I created two new files ...
0
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0answers
357 views

how to improve boot time and solve overheating issues?

Okay guys, I am new to Ubuntu and Linux. Truth be told, my first time feels like hell. I have been having problems booting up (takes a lot of time). My laptop is overheating and I can smell things. ...
0
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0answers
130 views

Weird possibly ACPI related behavior on 14.04

Since upgrading my notebook to 14.04 I've observed a weird behavior, possibly tied to ACPI; sometimes on boot, hotkeys like ctrl + alt + T and function-keys like fn + ⌨ (for keyboard-backlight ...
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0answers
114 views

Ubuntu shows only one core with nolapic booting option

The only way I can boot my Ubuntu (13.10) on my iMac properly is with 'nolapic' option. However, as far as I know, this option disables all the cores but one. I wonder, is there any way for me to boot ...
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0answers
52 views

How do I enable S3 acpi support?

My PC Bios has support for S1 and S3 acpi. I would like to enable the S3 suspension, however when I do try to suspend, the Bios boots the computer but the kernel doesn't come up and take over. All I ...
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0answers
182 views

System crash: empty /sys/class/backlight (deleted acpi_video0) & now the error “disk drive is not ready yet or present”

I "tried" to set the default brightness for Ubuntu 14.04. Following here, At first I did: echo 5 > /sys/class/backlight/acpi_video0/brightness then: sudo apt-get install xbacklight then ...
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votes
0answers
41 views

Suspend to RAM not working

It used to be working in Xubuntu 13.04, now I'm using Ubuntu studio 13.10 and it doesn't switch off the fans. If I resume (press any keys, also Wake up Key) it goes back normally, but If I manually ...
0
votes
0answers
103 views

AC power plug/unplug events

Running Ubuntu Server 13.04 (kernel 3.8.0-19-generic)* . I want to react when AC power is applied or removed. I can query the state correctly either through acpi -b or cat ...
0
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0answers
285 views

Ubuntu 13.10 on Asus N550J : battery detected and charged, but laptop won't work without charger plugged

I recently installed Lubuntu (1st time user) on my Asus N550J laptop. I'm having a problem with the battery or the charger, I don't know for now; the battery is there and I presume it is detected : ...
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0answers
25 views

Problem using acpi_call_GUI on dell inspiron N5110

I just installed acpi_call_GUI on my laptop using this guide. (In order to switch off discrete graphics at every boot) Now when i run the software , i click to install acpi_call. After that it asks me ...
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votes
0answers
66 views

Network speed drop when not charging

I can surf the web when I am charging my laptop ,but when i pull my charger out to run on battery power, it looks like the internet speed drop to 0kb/s. I tried to turn acpi=off in grub.cfg this ...
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0answers
47 views

Battery applet when acpi=off

i had some trouble with bad internett connection when i pulled out my charger adapter. So i went into grub.cfg and and added acpi=off. I have tried to turn acpi on, and the applet comes back. but the ...
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votes
0answers
33 views

not booting on battery - ubuntu 1204 on probook 4445s

There were no problems after initial installation till battery drained completely while the laptop was still on. After this, booting the computer on battery - with power cord disconnected causes ...
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0answers
70 views

Cannot install 13.10 past initial setup

I have an HP Pavilion g7. Intel i3 2.2ghz, Windows 7 Home Premium (64bit), 4gb RAM, 600gb hd. Trying to install Ubuntu 13.10 along side win7. Will happily provide more info if needed. Booting from ...
0
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0answers
102 views

Unable to disable all acpi events relating to lid

I want to disable all lid processes because sometimes my ThinkPads cannot wake from a blank screen after having lid closed. I have commented out everything in /etc/acpi/events/lidbtn but still the ...
0
votes
0answers
110 views

Fixing DSDT Tables for Satellite A200 2BH

Ubuntu 12.04 here, trying to follow this tutorial (in French, sorry about it but the code should speak for itself) to get sensors to work on a Satellite A200 2BH. First of all, I can't sudo cat ...
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0answers
1k views

CPU Frequency Scaling methods *not* working Lubuntu 12.04

I've been trying to get CPU frequency scaling enabled on an old laptop (Celeron 530) running Lubuntu 12.04. I know this works in BIOS because it worked under Vista, and I can just get it working for ...
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0answers
18 views

Using suspend-to-disk instead suspend-to-ram

when i close the lid of my notebook ubuntu went into suspend-to-ram. After opening it is very quick ready to work. But i have many problems (discussed in other threads) with waking up, mouse and ...